Robertshaw 780U-DS20 Ignition Module 326058-756 Its surface-mounted design ensures straightforward

Its surface-mounted design ensures straightforward integration during pneumatic control service or field retrofits

always verify media compatibility with the brass and internal rubber components before installation

a Laars boiler control board repair or swap should be executed by a licensed technician to maintain the structural integrity and sequencing logic of the appliance

it incorporates dual-seated safety logic to prevent gas leakage if primary controls fail

Common Questions Is the 8406-037BX an exact replacement for the standard 8406-037

Robertshaw 780U-DS20 Ignition Module 326058-756 Its surface-mounted design ensures straightforwardRobertshaw 780U DS20 is a universal direct spark ignition (DSI) control module designed for gas fired HVAC equipment, including furnaces, boilers, and rooftop units. This ignition control is used to safely manage burner ignition sequences by providing timed spark ignition and flame sensing for reliable system startup and operation. The module is commonly used as a replacement ignition control in systems requiring a universal solution for direct spark